Is this a Disease?

[AlittleSalt]

The first pictures are of my fall tomatoes. The last two pictures are of a volunteer plant that is growing in the shade. It came up back in early May. All pictures taken a few minutes ago.

The plants looked green and healthy until about 10 days ago. On that day, it rained 1 inch. Sense then, it has been 100F hot, so I have been shading the plants from the mid day scorching sun.

I got this message instead. ? I'll go take pictures with my old Nintendo DS and try-try again.

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